Its Italian culinary heritage is in the Neapolitan pastry tradition. Its origin dates back to 1920 from a mistake by Capri pastry chef Carmine di Fiore, who was intent on preparing a cake to serve to some American gangsters who had come to Capri. The story says that he forgot to add flour.
Cantucci, also called Biscotti di Prato, are a classical sweet treat from northern Tuscany. They have a very ancient history and are now considered the most traditional dessert in the whole region. Imagine that the first official record of their existence comes from a book written in 1691!